#333369#333369

#333369 is a dark, moderate blue. Relative luminance 0.041; OKLCH L 35.1% C 0.092 H 280.6°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#333369
RGB	rgb(51, 51, 105)
HSL	hsl(240, 35%, 31%)
HSV	hsv(240, 51%, 41%)
CMYK	cmyk(51.4%, 51.4%, 0%, 58.8%)
CIE-LAB	lab(23.97, 16.28, -31.75)
CIE-LCH	lch(23.97, 35.68, 297.15°)
OKLab	oklab(35.1% 0.0169 -0.0903)
OKLCH	oklch(35.1% 0.092 280.6)
XYZ	xyz(5.0981, 4.0911, 13.8829)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333369 #696933

analogous

#334E69 #333369 #4E3369

triadic

#333369 #693333 #336933

tetradic

#333369 #69334E #696933 #33694E

square

#333369 #69334E #696933 #33694E

split-complementary

#333369 #694E33 #4E6933

monochromatic

#0B0B17 #1F1F40 #333369 #474792 #6363B3

Accessibility & contrast

On white

11.55

#333369 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#333369 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333369

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333369	#FFFFFF	#000000	##FFFFFF
##333369	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B3B6B

Deuteranopia (green-blind)

#173768

Tritanopia (blue-blind)

#1F3F49

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #333369;
/* rgb */ color: rgb(51, 51, 105);
/* oklch */ color: oklch(35.1% 0.092 280.6);

Tailwind

colors: {
  custom: {
    50: '#6f6a94',
    500: '#333369',
    950: '#000000',
  },
}

SCSS

$custom: #333369;
$custom-light: #6f6a94;
$custom-dark: #000000;

JSON

{
  "hex": "#333369",
  "rgb": {
    "r": 51,
    "g": 51,
    "b": 105
  },
  "hsl": {
    "h": 240,
    "s": 34.615,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35097,
    "c": 0.09186,
    "h": 280.6
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#333369

secondary

#9A9A5E

accent

#CB5DCB

background

#F6F6F9

surface

#ECEBF1

border

#C7C6CB

text

#07060D

muted

#7A7A7E

Preview Lab

Preview with #333369

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →